America's Wildest Refuge
Tucked into a remote corner of Alaska, the Arctic National Wildlife Refuge is a place where wilderness is experienced on an epic scale. From forested lowlands in the south to the towering mountains of the Brooks Range and north to the coastal plains, this is where we can go back in time to see how the earth was before modern civilization. With sweeping views of the Arctic National Wildlife Refuge, its wildlife, and interviews with those that know it best, Alaska: America's Wildest Refuge is an ecological and historical portrait of this corner of Alaska. D

9:00 pm

Martin Clunes - Man to Manta
For more than 10 years Martin Clunes (DOC MARTIN, REGGIE PERRIN) has gone diving in the Maldives on family holidays, experiencing the silent universe full of vivid colors and alien inhabitants. Now, he seeks the one resident of these waters that has eluded him - the reef manta, a creature that can weigh as much as 5,000 pounds with a wingspan of up to 25 feet.G

10:00 pm

Nature"The Animal House"
From termites' towering metropolises to prairie dogs' underground cities complete with heating, cooling and intersecting highways, NATURE goes above ground and underground on this tour of the homelife of wildlife. Guided by instinct, animal architects have developed some of the most innovative and practical dwellings in the world.G

11:00 pm

Wild!"Lost Whales"
For 150 years, southern right whales were hunted to the brink of extinction, but the discovery of a pod in the Southern Ocean has sparked fresh hope that their numbers are increasing. Intimate underwater footage unveils the behavior of these gentle giants and gives scientists a chance to predict and protect their future recovery. D